Cited by 199Algal biology and biofuel productionBiodiesel Production and ApplicationsCatalysis and Hydrodesulfurization Studies

Biodiesel Production from Microalgae: A Comprehensive Review on Influential Factors, Transesterification Processes, and Challenges

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Pandey, Supriya, Narayanan, Ishvarya, Selvaraj, Raja, Varadavenkatesan, Thivaharan, Vinayagam, Ramesh·2024·Fuel

Abstract

The impending depletion of fossil fuels has sparked a global hunt for non-conventional energy sources such as biofuels. Biofuels such as biodiesel can be produced using third-generation feedstock viz., microalgae. It has gained huge attention as it has the potential to achieve the goals of sustainable development. Biodiesel production using microalgae depends upon the microalgal biomass availability and the amount of neutral lipid accumulated inside them. Biomass productivity and lipid accumulation vary from species to species but in general, are influenced by cultivation conditions (mode and method of cultivation) and growth parameters such as nutrients and environmental factors (light, temperature, pH, aeration, and photoperiod). Lipid extracted from microalgae is transesterified into biodiesel. This review discusses several factors, viz., pre-treatment methods, extraction methods, and transesterification processes that influence the quality and quantity of biodiesel production from microalgae. Explaining the difference between direct and indirect transesterification processes, the review elucidates the roles of catalyst(s) in the transesterification process and FAME production. It further discusses about the cost and challenges associated with each step of biodiesel production from microalgae.

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Crossref · 10.1016/j.fuel.2024.131547

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Authors
Pandey, S., Narayanan, I., Selvaraj, R., Varadavenkatesan, T., & Vinayagam, R.
Affiliations
Manipal Academy of Higher Education (IN)
Corresponding author
  • Varadavenkatesan, Thivaharan
  • Vinayagam, Ramesh
Venue
Fuel
Publisher
Elsevier BV
Published
2024-07
Volume
367
Pages
131547
ISSN
0016-2361 (ISSN-L)
OpenAlex
W4393125841
Cited by
199
References
165
Citations by year
2026: 80 · 2025: 95 · 2024: 24
FWCI
13.30
Type
journal article
Language
en
Open access
Locations
Fuel (publishedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
  • Physical Sciences › Engineering › Mechanical Engineering › Catalysis and Hydrodesulfurization Studies
Keywords
biodiesel production, microalgae, transesterification, microalgal lipid accumulation, third-generation biofuels, lipid extraction, pretreatment methods, direct transesterification, catalysts, fatty acid methyl esters, production costs, biomass productivity

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